Add cli convert subcommand, from raw KLE to JSON (#6898)

* Add initial pass at KLE convert

* Add cli log on convert

* Move kle2xy, add absolute filepath arg support

* Add overwrite flag, and context sensitive conversion

* Update docs/cli.md

* Fix converter.py typo

* Add convert unit test

* Rename to kle2qmk

* Rename subcommand

* Rename subcommand to kle2json

* Change tests to cover rename

* Rename in __init__.py

* Update CLI docs with new subcommand name

* Fix from suggestions in PR #6898

* Help with cases of case sensitivity

* Update cli.md

* Use angle brackets to indicate required option

* Make the output text more accurate

1 files changed, 155 insertions, 0 deletions

diff --git a/lib/python/kle2xy.py b/lib/python/kle2xy.py
new file mode 100644
index 000000000..ea16a4b5e
--- /dev/null
+++ b/lib/python/kle2xy.py
@@ -0,0 +1,155 @@
+""" Original code from https://github.com/skullydazed/kle2xy
+"""
+
+import hjson
+from decimal import Decimal
+
+class KLE2xy(list):
+    """Abstract interface for interacting with a KLE layout.
+    """
+    def __init__(self, layout=None, name='', invert_y=True):
+        super(KLE2xy, self).__init__()
+
+        self.name = name
+        self.invert_y = invert_y
+        self.key_width = Decimal('19.05')
+        self.key_skel = {
+            'decal': False,
+            'border_color': 'none',
+            'keycap_profile': '',
+            'keycap_color': 'grey',
+            'label_color': 'black',
+            'label_size': 3,
+            'label_style': 4,
+            'width': Decimal('1'), 'height': Decimal('1'),
+            'x': Decimal('0'), 'y': Decimal('0')
+        }
+        self.rows = Decimal(0)
+        self.columns = Decimal(0)
+
+        if layout:
+            self.parse_layout(layout)
+
+    @property
+    def width(self):
+        """Returns the width of the keyboard plate.
+        """
+        return (Decimal(self.columns) * self.key_width) + self.key_width/2
+
+    @property
+    def height(self):
+        """Returns the height of the keyboard plate.
+        """
+        return (self.rows * self.key_width) + self.key_width/2
+
+    @property
+    def size(self):
+        """Returns the size of the keyboard plate.
+        """
+        return (self.width, self.height)
+
+    def attrs(self, properties):
+        """Parse the keyboard properties dictionary.
+        """
+        # FIXME: Store more than just the keyboard name.
+        if 'name' in properties:
+            self.name = properties['name']
+
+    def parse_layout(self, layout):
+        # Wrap this in a dictionary so hjson will parse KLE raw data
+        layout = '{"layout": [' + layout + ']}'
+        layout = hjson.loads(layout)['layout']
+
+        # Initialize our state machine
+        current_key = self.key_skel.copy()
+        current_row = Decimal(0)
+        current_col = Decimal(0)
+        current_x = 0
+        current_y = self.key_width / 2
+
+        if isinstance(layout[0], dict):
+            self.attrs(layout[0])
+            layout = layout[1:]
+
+        for row_num, row in enumerate(layout):
+            self.append([])
+
+            # Process the current row
+            for key in row:
+                if isinstance(key, dict):
+                    if 'w' in key and key['w'] != Decimal(1):
+                        current_key['width'] = Decimal(key['w'])
+                    if 'w2' in key and 'h2' in key and key['w2'] == 1.5 and key['h2'] == 1:
+                        # FIXME: ISO Key uses these params: {x:0.25,w:1.25,h:2,w2:1.5,h2:1,x2:-0.25}
+                        current_key['isoenter'] = True
+                    if 'h' in key and key['h'] != Decimal(1):
+                        current_key['height'] = Decimal(key['h'])
+                    if 'a' in key:
+                        current_key['label_style'] = self.key_skel['label_style'] = int(key['a'])
+                        if current_key['label_style'] < 0:
+                            current_key['label_style'] = 0
+                        elif current_key['label_style'] > 9:
+                            current_key['label_style'] = 9
+                    if 'f' in key:
+                        font_size = int(key['f'])
+                        if font_size > 9:
+                            font_size = 9
+                        elif font_size < 1:
+                            font_size = 1
+                        current_key['label_size'] = self.key_skel['label_size'] = font_size
+                    if 'p' in key:
+                        current_key['keycap_profile'] = self.key_skel['keycap_profile'] = key['p']
+                    if 'c' in key:
+                        current_key['keycap_color'] = self.key_skel['keycap_color'] = key['c']
+                    if 't' in key:
+                        # FIXME: Need to do better validation, plus figure out how to support multiple colors
+                        if '\n' in key['t']:
+                            key['t'] = key['t'].split('\n')[0]
+                        if key['t'] == "0":
+                            key['t'] = "#000000"
+                        current_key['label_color'] = self.key_skel['label_color'] = key['t']
+                    if 'x' in key:
+                        current_col += Decimal(key['x'])
+                        current_x += Decimal(key['x']) * self.key_width
+                    if 'y' in key:
+                        current_row += Decimal(key['y'])
+                        current_y += Decimal(key['y']) * self.key_width
+                    if 'd' in key:
+                        current_key['decal'] = True
+
+                else:
+                    current_key['name'] = key
+                    current_key['row'] = current_row
+                    current_key['column'] = current_col
+
+                    # Determine the X center
+                    x_center = (current_key['width'] * self.key_width) / 2
+                    current_x += x_center
+                    current_key['x'] = current_x
+                    current_x += x_center
+
+                    # Determine the Y center
+                    y_center = (current_key['height'] * self.key_width) / 2
+                    y_offset = y_center - (self.key_width / 2)
+                    current_key['y'] = (current_y + y_offset)
+
+                    # Tend to our row/col count
+                    current_col += current_key['width']
+                    if current_col > self.columns:
+                        self.columns = current_col
+
+                    # Invert the y-axis if neccesary
+                    if self.invert_y:
+                        current_key['y'] = -current_key['y']
+
+                    # Store this key
+                    self[-1].append(current_key)
+                    current_key = self.key_skel.copy()
+
+            # Move to the next row
+            current_x = 0
+            current_y += self.key_width
+            current_col = Decimal(0)
+            current_row += Decimal(1)
+            if current_row > self.rows:
+                self.rows = Decimal(current_row)